Send personalized messages through WhatsApp™ Web with advanced features for bulk messaging.

Features

Discover the powerful capabilities that make WhatsApp Message Sender your go-to tool for efficient bulk messaging.

• Bulk Messaging: Send messages to multiple phone numbers at once.
• CSV Import: Import phone numbers from CSV files (Premium).
• Message Templates: Use placeholders for personalized messages (Premium).
• Message Rotation: Send randomized message variations (Premium).
• Delay Settings: Configure sending delays to avoid rate limits.
• Privacy Features: Blur contacts, messages, and media for privacy.
• Cross-browser Support: Works on Firefox and Chrome.

Installation

Get started with WhatsApp Message Sender in just a few simple steps. Choose your preferred browser and follow the installation guide below.

Firefox

1. Visit the Firefox Add-ons page.
2. Click Add to Firefox.
3. Click Add in the confirmation dialog.

Chrome

1. Visit the Chrome Web Store page.
2. Click Add to Chrome.
3. Click Add extension in the confirmation dialog.

Pin Extension (Optional)

1. Click the extensions menu button (puzzle piece icon 🧩) in the Firefox or Chrome toolbar.
2. Find WhatsApp Message Sender in the list.
3. Click the pin icon (📌) next to it to pin to the toolbar.

Usage

Learn how to use WhatsApp Message Sender effectively. From basic messaging to advanced features, this guide covers everything you need to know.

Basic Usage

1. Open WhatsApp Web: Navigate to WhatsApp Web and log in.
2. Click Extension Icon: Click the WhatsApp Message Sender icon in your toolbar.
3. Enter Phone Number: Add phone numbers in international format (e.g., +1234567890):
   • One number per line.
   • Or use CSV import (Premium).
4. Compose Message: Write your message:
   • Use {{columnName}} placeholders for personalization (Premium).
   • Use [[A|B|C]] for message rotation (Premium).
5. Configure Settings (Optional):
   • Set Delay between messages (recommended: 5-10 seconds [5000 or 10000 in millisecond]).
   • Enable Random Delay to avoid detection.
6. Send Messages: Click Send Message.

Advanced Features

CSV Import (Premium)

1. Check Use CSV option.
2. Upload your CSV file.
3. Select the column containing phone numbers.
4. Use column headers as placeholders in messages using {{columnName}} syntax.

Message Personalization (Premium)

Use placeholders in your message:

• {{name}} - Contact name.
• {{phone}} - Phone number.
• CSV column headers as variables using {{columnName}} syntax.

Example Messages with Templating

Hello {{NAME}}, thank you for your interest in our services!
Your phone number is {{PHONE}} and you're from {{CITY}}.

Example with Message Rotation

Hi [[there|friend|buddy]], how are you today?
This is a [[great|wonderful|fantastic]] opportunity for you!

The extension will randomly select one option from each [[A|B|C]] block for each message.

Privacy Settings

• Blur Contact: Hide contact names in chat list.
• Blur Message: Hide message content until hovered.
• Blur Media: Hide images/videos until hovered.

Premium Features

Unlock advanced capabilities with premium features. Enhance your messaging workflow with CSV import, personalization, and more.

Upgrade to premium to unlock:

• CSV file import with column variables.
• Message personalization with placeholders.
• Message rotation with random variations.
• Priority support.

How to Upgrade

1. Go to the More tab in the extension.
2. Click Contact Developer.
3. Send a message with your license request.

Support Development

If you find this extension useful, consider supporting the developer:

• PayPal.
• Trakteer.
• Saweria.

FAQ

Find answers to commonly asked questions about WhatsApp Message Sender. If you can't find what you're looking for, contact our support team.

Is this extension safe to use?

Yes, the extension only accesses WhatsApp Web pages and processes data locally in your browser. No data is sent to external servers.

Does it work on mobile WhatsApp?

No, this extension only works with WhatsApp Web. It requires WhatsApp Web to be open in your browser.

Can I send messages to unsaved contacts?

Yes, you can send messages to any valid phone number, even if they're not in your contacts.

Is there a limit to how many messages I can send?

WhatsApp has rate limits. We recommend using delays of 5-10 seconds between messages to avoid being temporarily blocked.

The extension doesn't appear after installation

Try refreshing WhatsApp Web (F5) or restarting your browser. Make sure the extension has permission to access to WhatsApp Web.

How do I enable developer mode in Chrome?

Go to Chrome Extension, toggle "Developer mode" in the top right corner.

Can I install this on Microsoft Edge?

The extension is designed for Firefox and Chrome. Edge may work with Chrome Web Store extensions, but it's not officially supported.

Messages are not sending. What should I do?

Check that phone numbers are in international format (+country code). Increase the delay between messages. Ensure you're logged into WhatsApp Web.

How do I format phone numbers correctly?

Use international format: +[country code][number]. For example: +1234567890 for US numbers, +6281234567890 for Indonesian numbers.

Can I send attachments with messages?

Attachment sending is not currently available in this version.

What CSV format should I use?

Your CSV should have headers in the first row. One column should contain phone numbers. Save as UTF-8 encoding.

How do placeholders work in messages?

Use {{columnName}} where columnName matches your CSV header (case-sensitive). For example, if your CSV has a "Name" column, use {{Name}} in your message.

How does message rotation work?

Use [[option1|option2|option3]] syntax. The extension will randomly select one option from each block for each message. Example: Hi [[there|friend|buddy]]!

How much does the premium version cost?

Contact the developer through the extension for pricing information.

Does premium work on all browsers?

Yes, premium features work on both Firefox and Chrome.

What payment methods are accepted?

Payment methods include PayPal, bank transfer, and other local payment options. Contact the developer for available options in your region.

What happens if WhatsApp blocks my account?

WhatsApp may temporarily restrict accounts that send too many messages. Use longer delays and avoid sending to too many numbers at once. We are not responsible for account restrictions.

Extension stopped working after WhatsApp update

WhatsApp Web updates can break extensions. Check for extension updates or contact support.

CSV file won't upload

Ensure the file is a valid CSV format, under file size limits, and saved as UTF-8.

Messages appear but contacts don't receive them

This usually means the phone number format is incorrect or the contact doesn't have WhatsApp.

Extension is slow or unresponsive

Clear browser cache, disable other extensions temporarily, or restart your browser.

Random delay isn't working

Make sure the "Random Delay" option is enabled in settings. The delay will vary between 70% to 150% of your base delay.

Privacy features aren't working

Privacy features (blur) only work on WhatsApp Web interface. Make sure you're on the correct page.

License expired but I paid for it

Contact the developer with your payment proof. They will help reactivate your license.

Can't access premium features after browser update

Try clearing browser data or reinstalling the extension. Your license should remain active.

Where is my data stored?

All data processing happens locally in your browser. No messages or phone numbers are stored on external servers.

Can others see what I'm doing?

The extension only accesses WhatsApp Web. Your activity is private between you and WhatsApp.

Does it collect any personal data?

No personal data is collected. The extension only processes the data you input for sending messages.

Troubleshooting

Extension Not Working

1. Refresh WhatsApp Web: Press F5 or Ctrl+R.
2. Check Permissions: Ensure the extension has access to web.whatsapp.com.
3. Disable Other Extensions: Temporarily disable other WhatsApp-related extensions.

Messages Not Sending

1. Check Phone Numbers: Ensure numbers are in international format (+country code).
2. Increase Delay: Set longer delays between messages.
3. Check WhatsApp Status: Ensure you're logged into WhatsApp Web.

CSV Import Issues

1. File Format: Ensure CSV is properly formatted with headers.
2. Encoding: Save CSV as UTF-8 encoding.
3. Column Selection: Verify the correct column is selected for phone numbers.

Important Disclaimer

Please read this important information before using WhatsApp Message Sender. Understanding these terms helps ensure responsible usage.

⚠️ USE AT YOUR OWN RISK

This extension automates WhatsApp messaging and may violate WhatsApp's Terms of Service. We strongly recommend:

• Using reasonable delays between messages (5-30 seconds).
• Not sending spam or unsolicited messages.
• Respecting recipients' privacy and consent.
• Using the extension responsibly

We are not responsible for:

• WhatsApp account restrictions or bans.
• Legal consequences of misuse.
• Loss of access to WhatsApp services.
• Any damages resulting from extension use

WhatsApp may detect automated messaging and temporarily or permanently restrict accounts. Use this extension wisely and at your own risk.

Privacy & Security

Learn about how WhatsApp Message Sender protects your data and maintains your privacy while using the extension.

• No data is stored on external servers.
• All processing happens locally in your browser.
• Phone numbers and messages are not transmitted to third parties.
• Extension only accesses WhatsApp Web pages.

Support

Need help or have questions? Our support team is here to assist you with any issues or inquiries about WhatsApp Message Sender.